#app{
    padding-bottom: 3.7rem;
}
img{
    width: 23.4375rem;
}
.btn{
    width: 11.8125rem;
    height: 2.75rem;
     line-height: 2.75rem;
     margin: 0.625rem 0;
     margin-right: 0.75rem;
     text-align: center;
     color: #fff;
     border-radius: 1.375rem;
}
.cover{
    position: relative;
}
.cover img{
    height: 23.4375rem;
   
}

.cover .point{
    position: absolute;
    top: 21.4375rem;
    right: 0.75rem;
    width: 2.1875rem;
    height: 1.25rem;
    line-height: 1.25rem;
    text-align: center;
    border-radius: 0.625rem ;
    background-color: rgba(0, 0, 0, .4994);
    color: #fff;
    padding: 0;
}
.cover .price{
 font-size: 0.875rem;
}
.cover .on-price{
    padding-bottom: 0.75rem;
    margin-top: 0.5rem;
}
.title{
    text-align: center;
    line-height: 2.1875rem;
    height: 2.1875rem;
    font-size: 0.875rem;
    color: #676869;
}
.title::before,
.title::after{
    content: '';
    display: inline-block;
    width: 2.5625rem;
    height: 1px;
    background-color: #676869;
    opacity: 0.1;
    vertical-align: middle;
    margin: 0 0.5rem ;
}
.buy{
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    justify-content: space-between;
}
.buy .price{
    font-size: 0.875rem;
    
}

.mask .exchange-toast{
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    top: 0;
    margin: auto;
    width: 20.3125rem;
    height: 16.9375rem;
    border-radius: 0.75rem;
    box-sizing: border-box;
}
.mask .exchange-toast .name{
    text-align: center;
    margin-bottom: 1.5rem;
    margin-top: 1.625rem;
}
.mask .exchange-toast .left img{
    width: 3rem;
    height: 3rem;
}
.mask .exchange-toast .arrow img{
    height: 1.5625rem;
     width: 2.875rem;
}
.mask .exchange-toast .right img{
    width: 2.125rem;
    height: 2.8125rem;
}
.mask .wrap .box{
    justify-content: space-between;
    width: 13rem;
    margin: auto;
    margin-bottom: 1.7rem;
}
.mask .wrap .cover{
    text-align: center;
}
.mask .wrap .box p{
    text-align: center;
}
.mask .exchange-toast .wrap .btn-wrap .btn{
    color: #000;
    width: 7.5rem;
    height: 2.75rem;
    border-radius: 1.375rem;
}
.mask .exchange-toast .wrap .btn-wrap{
    justify-content: space-between;
    width: 17.0625rem;
    margin: auto;
}
.mask .exchange-toast .wrap .btn-wrap .btn-cancel{
    background: #F3F3F3;
    color: rgba(0, 0, 0, .6);
}
.mask .exchange-toast .wrap .btn-wrap .btn-sure{
    color: #fff;
}
.mask .exchange-toast > p{
    text-align: center;
    margin-top: 3px;
}